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authorQuincey Koziol <koziol@hdfgroup.org>2002-07-19 19:27:09 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2002-07-19 19:27:09 (GMT)
commit99eee6dff9a38a1bab3d74b4b77dd8169e57409c (patch)
tree5db3dd6e5ed35a694c655337750dc741e30181fb /testpar
parent814ea8b962fec329f6a440d1f52f6b682de47524 (diff)
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[svn-r5814] Purpose:
Bug Fix Description: It was possible to create corrupted metadata information (either in memory or in the file or both) with a parallel I/O program because of the way metadata writes were being handled for writes out of the metadata cache. Solution: Added a dataset transfer property called "block before metadata write" which is used by the MPI-I/O and MPI-posix drivers to sync up all the processes before attempting a metadata write. This property is currently only for metadata writes from the metadata cache. Platforms tested: IRIX64 6.5 (modi4) w/parallel
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